CN110193884A - The design method of all steel concrete shield duct piece - Google Patents
The design method of all steel concrete shield duct piece Download PDFInfo
- Publication number
- CN110193884A CN110193884A CN201910588575.2A CN201910588575A CN110193884A CN 110193884 A CN110193884 A CN 110193884A CN 201910588575 A CN201910588575 A CN 201910588575A CN 110193884 A CN110193884 A CN 110193884A
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- China
- Prior art keywords
- jurisdiction
- section
- steel
- duct piece
- shield duct
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a kind of design methods of all steel concrete shield duct piece, process section of jurisdiction profile frame using steel plate according to the intrados of the basic figure in the section of jurisdiction or the shape of extrados and sagittal plane according to the basic figure in section of jurisdiction that tunnel design is selected first；Then circumferential ribs and axial ribs are welded in the section of jurisdiction profile frame；Last formwork supporting plate, placing intensity grade is the concrete of C30 ~ C60 in the profile frame of section of jurisdiction, forms all steel concrete shield duct piece.The all steel concrete shield duct piece manufactured using the method for the present invention, its support effect is similar to existing reinforced concrete segment and clean steel section of jurisdiction, but it is more safe and reliable compared with reinforced concrete segment, durability is higher, and the design method implements easy to operate, the shield duct piece suitable for different types.
Description
Technical field
The present invention relates to the designs of tunnel shield duct piece, more particularly, to the design method of all steel concrete shield duct piece.
Background technique
Using the tunnel of shield formula tunneler construction, lining cutting, special hole are generally carried out using prefabricated reinforced concrete section of jurisdiction
Section has using clean steel section of jurisdiction, but with the appearance of great burying, long range tunnel, the structure stress condition of tunnel becomes increasingly complex,
Therefore, the novel shields tunnel segment structure such as high security, high usability, high application property, high-environmental, high maintenance, high-durability
It is core strategy and the only way of sustainable development of the following Structural Engineering development.For the high safety for meeting tunnel structure
Property, high maintenance, high-durability, high application property requirement, currently have clean steel section of jurisdiction, be mainly characterized by intensity is high, ductility is good,
It is light-weight, but overall stiffness is small, poor corrosion resistance, cost are higher；Reinforced concrete segment needs manually to tie up in prefabrication process
A large amount of reinforcing bar is pricked, process is tedious, and production efficiency is low, and reinforced concrete segment needs to be arranged rubber water-proof item to meet tunnel
The sealing in hole only starches requirement, and rubber water-proof item is easy aging, greatly affected the later period safe operation of tunnel.
Summary of the invention
It is an object of that present invention to provide a kind of design methods of all steel concrete shield duct piece.
To achieve the above object, the present invention takes following technical proposals:
The design method of all steel concrete shield duct piece of the present invention, the section of jurisdiction basic body selected first according to tunnel design
Type processes section of jurisdiction wheel using steel plate according to the intrados of the basic figure in the section of jurisdiction or the shape of extrados and sagittal plane
Wide frame；Then circumferential ribs and axial ribs are welded in the section of jurisdiction profile frame；Last formwork supporting plate is taken turns in section of jurisdiction
Placing intensity grade is the concrete of C30 ~ C60 in wide frame, forms all steel concrete shield duct piece.
It is described be general steel plate or stainless-steel sheet, steel plate with a thickness of 5mm ~ 15mm.
The circumferential direction ribs and axial ribs are all made of I-steel, angle steel or three-level reinforcing bar.
After the completion of welding circumferential ribs and axial ribs in the section of jurisdiction profile frame, to section of jurisdiction profile frame
Angle between intrados and sagittal plane carries out chamfered.
The all steel concrete shield duct piece manufactured using the method for the present invention, support effect and existing reinforced concrete segment
It is similar with clean steel section of jurisdiction, but compared with reinforced concrete segment it is more safe and reliable, durability is higher, and the design method is implemented
Get up easy to operate, the shield duct piece suitable for different types.
Detailed description of the invention
Fig. 1 is the schematic diagram of the basic figure in section of jurisdiction of the present invention.
Fig. 2 is the schematic diagram that circumferential ribs and axial ribs are welded in profile frame in section of jurisdiction of the present invention.
Specific embodiment
The design method of all steel concrete shield duct piece of the present invention, is now said by taking quadrangle shield duct piece as an example
It is bright.
The first step, the basic figure in section of jurisdiction as shown in Figure 1 selected first according to tunnel design, according to the basic figure in section of jurisdiction
Intrados 1 and sagittal plane 2 shape, section of jurisdiction profile frame 3 is processed using steel plate, steel plate material can according to design requirement
General steel plate or stainless-steel sheet are selected, the thickness of steel plate requires to select between 5mm ~ 15mm according to structure stress.
Then second step welds circumferential ribs 4 and axial ribs 5 in section of jurisdiction profile frame 3, and to section of jurisdiction profile
Angle between the intrados and sagittal plane of frame 3 carries out chamfering 6 and handles, as shown in Figure 2；Circumferential ribs 4 and axial reinforcement
I-steel, angle steel or three-level reinforcing bar can be selected in rib 5.
Step 3, formwork supporting plate, are then located at circumferential ribs 4 in section of jurisdiction profile frame 3 and axial ribs 5 is surrounded
Cavity in placing intensity grade be C30 ~ C60 concrete, that is, form all steel concrete shield duct piece of the present invention.
Claims (4)
1. a kind of design method of all steel concrete shield duct piece, it is characterised in that: the section of jurisdiction selected first according to tunnel design
Basic figure is processed according to the intrados of the basic figure in the section of jurisdiction or the shape of extrados and sagittal plane using steel plate
Section of jurisdiction profile frame；Then circumferential ribs and axial ribs are welded in the section of jurisdiction profile frame；Last formwork supporting plate,
Placing intensity grade is the concrete of C30 ~ C60 in the profile frame of section of jurisdiction, forms all steel concrete shield duct piece.
2. the design method of all steel concrete shield duct piece according to claim 1, it is characterised in that: described is general steel plate
Or stainless-steel sheet, steel plate with a thickness of 5mm ~ 15mm.
3. the design method of all steel concrete shield duct piece according to claim 1 or claim 2, it is characterised in that: the circumferential direction adds
Strong rib and axial ribs are all made of I-steel, angle steel or three-level reinforcing bar.
4. the design method of all steel concrete shield duct piece according to claim 1 or claim 2, it is characterised in that: in the section of jurisdiction
After the completion of welding circumferential ribs and axial ribs in profile frame, between the intrados and sagittal plane of section of jurisdiction profile frame
Angle carry out chamfered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910588575.2A CN110193884A (en) | 2019-07-02 | 2019-07-02 | The design method of all steel concrete shield duct piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910588575.2A CN110193884A (en) | 2019-07-02 | 2019-07-02 | The design method of all steel concrete shield duct piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110193884A true CN110193884A (en) | 2019-09-03 |
Family
ID=67755682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910588575.2A Pending CN110193884A (en) | 2019-07-02 | 2019-07-02 | The design method of all steel concrete shield duct piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110193884A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203702167U (en) * | 2013-10-21 | 2014-07-09 | 上海市政工程设计研究总院（集团）有限公司 | Composite segment structure |
| CN106481347A (en) * | 2016-11-28 | 2017-03-08 | 广东水电二局股份有限公司 | A kind of anti-internal water pressure composite shield section of jurisdiction |
| CN106968688A (en) * | 2017-04-05 | 2017-07-21 | 宁波大学 | A kind of shield tunnel is combined tunnel segment structure and shield tunnel liner |
| CN207960620U (en) * | 2018-02-11 | 2018-10-12 | 沈阳铭峻新型轨道交通科技有限公司 | A kind of mixed section of jurisdiction connection structure of shield construction service channel machinable steel- |
-
2019
- 2019-07-02 CN CN201910588575.2A patent/CN110193884A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203702167U (en) * | 2013-10-21 | 2014-07-09 | 上海市政工程设计研究总院（集团）有限公司 | Composite segment structure |
| CN106481347A (en) * | 2016-11-28 | 2017-03-08 | 广东水电二局股份有限公司 | A kind of anti-internal water pressure composite shield section of jurisdiction |
| CN106968688A (en) * | 2017-04-05 | 2017-07-21 | 宁波大学 | A kind of shield tunnel is combined tunnel segment structure and shield tunnel liner |
| CN207960620U (en) * | 2018-02-11 | 2018-10-12 | 沈阳铭峻新型轨道交通科技有限公司 | A kind of mixed section of jurisdiction connection structure of shield construction service channel machinable steel- |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190903 |
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| RJ01 | Rejection of invention patent application after publication |